Need Help?
Contact
Contact Us
For all enquiries, please use the Contact Form.
Office Locations
MDPI Headquarters, Basel
4052 Basel, Switzerland
Tel.: +41 61 683 77 34
Office Hours: 9:00-17:00 (GMT +1)
Public Holidays
The office will be closed on the following days in 2023:
New Year, 1 January
Carneval, 27 February (afternoon)
Carneval, 1 March (afternoon)
Good Friday, 7 April
Easter Monday, 10 April
Labor Day, 1 May
Ascension Day, 18 May
Whit Monday, 29 May
Swiss National Holiday, 1 August
Christmas Day, 25 December
Stephans Day, 26 December
Beijing Office
Floor 9-11, Building 2, Courtyard 4, Guanyinan North Street, Tongzhou District, 101101 Beijing, China
Tel.: +86 10 6954 3724
https://mdpi.cn
Office Hours: 8:30-17:30 (GMT +8)
Public Holidays
The office will be closed on the following days in 2023:
New Year, 31 December–2 January
Spring Festival, 21–27 January
Qingming Festival, 5 April
Labor Day, 29 April–3 May
Dragon Boat Festival, 22–24 June
Mid-Autumn Festival & National Day, 29 September–6 October
Wuhan Office
Floor 54, Wuhan Hang Lung Plaza Office Tower, Hubei Province, 430030 Wuhan, China
Tel.: +86 27 8780 8658
https://mdpi.cn
Office Hours: 8:30-17:30 (GMT +8)
Public Holidays
The office will be closed on the following days in 2023:
New Year, 31 December–2 January
Spring Festival, 21–27 January
Qingming Festival, 5 April
Labor Day, 29 April–3 May
Dragon Boat Festival, 22–24 June
Mid-Autumn Festival & National Day, 29 September–6 October
Barcelona Office
08007 Barcelona, Spain
Tel.: +34 936397662
Office Hours: 8:00-17:00 (GMT +1)
Public Holidays
The office will be closed on the following days in 2023:
6 January Epiphany / Three Kings’ Day7 April Good Friday
10 April Easter Monday
1 May Labour Day
5 June
24 June Sant Joan / Midsummer solstice
15 August Assumption of Mary
11 September Catalan National Day
25 September
12 October Spanish National Holiday
1 November All Saints' Day
6 December National Day of Spain
8 December Feast of the Immaculate Conception
25 December Christmas
26 December Boxing Day
Belgrade Office
11060 Belgrade, Serbia
Tel.: +381 11 414 75 49
Office Hours: 8:00-17:00 (GMT +1)
Public Holidays
The office will be closed on the following days in 2023:
New Year 1–2 January
National day 15–16 February
Labour day 1–2 May
Easter 3–6 May
Armistice, 11 November
Manchester Office
M1 4HD Manchester, UK
Tel.: +44 0161 513 4078
Office Hours: 8:30-17:00 (GMT)
Public Holidays
The office will be closed on the following days in 2023:
Good Friday, 7 April
Easter Monday, 10 April
Early May Bank Holiday, 1 May
Bank Holiday for the Coronation of King Charles III, 8 May
Spring Bank Holiday, 29 May
Summer Bank Holiday, 28 August
Christmas Day, 25 December
Boxing Day, 26 December
Tianjin Office
Room 1804, Block A, Lujiazui Financial Plaza, Hongqiao District, 300131 Tianjin, China
Tel.: +86 22 5833 8835
https://mdpi.cn
Office Hours: 8:30-17:30 (GMT +8)
Public Holidays
The office will be closed on the following days in 2023:
New Year, 31 December–2 January
Spring Festival, 21–27 January
Qingming Festival, 5 April
Labor Day, 29 April–3 May
Dragon Boat Festival, 22–24 June
Mid-Autumn Festival & National Day, 29 September–6 October
Tokyo Office
Higashi Nihonbashi, Chuo-ku, 103-0004 Tokyo, Japan
Tel.: +81 3 5829 3835
https://www.mdpi.com/offices/japan
Office Hours: 9:30-18:00 (GMT +9)
Public Holidays
The office will be closed on the following days in 2023:
New Year’s Holiday, 1–3 January
Coming-of-Age Day, 9 January
National Foundation Day, 11 February
The Emperor’s Birthday, 23 February
Vernal Equinox Day, 21 March
Shōwa Day, 29 April
Constitution Memorial Day, 3 May
Greenery Day, 4 May
Children’s Day, 5 May
Marine Day, 17 July
Mountain Day, 11 August
Respect-for-the-Aged Day, 18 September
Autumnal Equinox Day, 23 September
(Health and) Sports Day, 10 October
Culture Day, 3 November
Labor Thanksgiving Day, 23 November
Year-End Holidays, 29–31 December
Cluj Office, Cluj-Napoca
Floor 3, Building E, The Office, 400604 Cluj-Napoca, Romania
Tel.: +40 364 150 134
Office Hours: 8:00-17:00 (GMT +2)
Public Holidays
The office will be closed on the following days in 2023:
1–2 January — New Year
24 January — National Holiday
14 April — Orthodox Good Friday
16–17 April — Orthodox Easter
1 May — Labour Day
1 June — Children's Day
5 June — Orthodox National Holiday
15 August — Orthodox National Holiday
30 November — Orthodox National Holiday
1 December — National Day
25–26 December — Christmas
Toronto Office
Suite 800, ON M2N 5Y7 Toronto, Canada
Tel.: +1-416-860-6238
Office Hours: 8:00-17:00 (GMT-5)
Public Holidays
The office will be closed on the following days in 2023:
New Year's Day (2 January 2023)
Family Day (20 February 2023)
Good Friday (7 April 2023)
Victoria Day (22 May 2023)
Canada Day (either 30 June or 3 July, as the holiday is on 1 July, which is a Saturday)
Labour Day (4 September)
Thanksgiving Day (9 October)
Christmas Day (25 December)
Boxing Day (26 December)
Novi Sad Office
21000 Novi Sad, Serbia
Tel.: +381 21 300 1449
Office Hours: 8:00-17:00 (GMT +1)
Public Holidays
The office will be closed on the following days in 2023:
New Year, 2–3 January
Orthodox Christmas, 7 January
National Day, 15–16 February
Easter, 14–17 April
Labor Day, 1–2 May
Armistice, 11 November
Kraków Office
31-864 Kraków, Poland
Tel.: +48 12 298 47 99
Office Hours: 8:00-17:00 (GMT +1)
Public Holidays
The office will be closed on the following days in 2024:
New Year, 1 & 2 January
Epiphany, 6 January
Easter Sunday, 31 March
Easter Monday, 1 April
Labour Day, 1 May
Constitution Day, 3 May
Corpus Christi, 30 May
Assumption of the Blessed Virgin Mary and Polish Army Day, 15 August
All Saints’ Day, 1 November
National Independence Day, 11 November
Christmas Day, 25 December
2nd Day of Christmas, 26 December
Singapore Office
608526 Singapore, Singapore
Tel.: +65 62545541
https://www.mdpi.com/offices/singapore
Office Hours: 8:30-17:30 (GMT +8)
Public Holidays
The office will be closed on the following days in 2023:
New Year's Day, 1 January
Chinese New Year, 22-23 January
Good Friday, 7 April
Hari Raya Puasa, 22 April
Labour Day, 1 May
Vesak Day, 2 June
Hari Raya Haji, 29 June
National Day, 9 August
Deepavali, 12 November
Christmas Day, 25 December
Nanjing Office
Jiangning Development Zone Headquarters Base, 15th Floor, Jiangsu Province, 211100 Nanjing, China
Tel.: +86 25 5211 5557
https://mdpi.cn/
Office Hours: 8:30-17:30 (GMT +8)
Public Holidays
The office will be closed on the following days in 2023:
New Year, 31 December–2 January
Spring Festival, 21–27 January
Qingming Festival, 5 April
Labor Day, 29 April–3 May
Dragon Boat Festival, 22–24 June
Mid-Autumn Festival & National Day, 29 September–6 October
Bangkok Office
The Ninth Towers Grand Rama 9, Khwaeng Huai Khwang, Huai Khwang, 10310 Bangkok, Thailand
Tel.: +662 005 2299
Office Hours: 8:30-17:30 (GMT +7)
Public Holidays
The office will be closed on the following days in 2024:
New Year’s Day, 1 January
Substitution for New Year’s Eve, 2 January
Substitution for Makha Bucha Day , 26 February
Substitution for Chakri Memorial Day, 8 April
Songkran Festival, 15 April
Substitution for Songkran Festival, 16 April
National Labour Day, 1 May
Substitution for Coronation Day , 6 May
Visakha Bucha Day, 22 May
H.M. Queen Suthida Bajrasudhabimalalakshana’s Birthday, 3 June
Substitution for Asarnha Bucha Day , 22 July
Substitution for H.M. King Maha Vajiralongkorn Phra Vajiraklaochaoyuhua’s Birthday , 29 July
H.M. Queen Sirikit The Queen Mother’s Birthday / Mother’s Day, 12 August
Substitution for H.M. King Bhumibol Adulyadej The Great Memorial Day, 14 October
Chulalongkorn Day, 23 October
H.M. King Bhumibol Adulyadej The Great’s Birthday / National Day / Father’s Day, 5 December
Constitution Day, 10 December
New Year’s Eve, 31 December
Seoul Office
Seoul Forest AK Valley Knowledge Industry Center, 13-207 and 3 Other Parcels, Seongsu-dong, Seongdong-gu, 04790 Seoul, Republic of Korea
Tel.: +821098939708
Office Hours: 8:30-17:30 (GMT +9)
Public Holidays
The office will be closed on the following days in 2023:
New Year's Day, 1 January
Seollal, 9–11 February
March 1st Movement Day, 1 March
Children’s Day, 5 May
Buddha's Birthday, 15 May
Memorial Day, 6 June
Liberation Day, 15 August
Chuseok, 16–18 September
National Foundation Day, 3 October
Hangeul Day, 9 October
Christmas Day, 25 December