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, 2–3 January
Orthodox Christmas, 7 January
National Day, 15–16 February
Easter, 14–17 April
Labor Day, 1–2 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 1800, ON M5X 2A2 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 2023:
New Year, 1 January
Epiphany, 6 January
Easter Sunday, 9 April
Easter Monday, 10 April
Labour Day, 1 May
Constitution Day, 3 May
Pentecost, 28 May
Corpus Christi, 8 June
Assumption Day, 15 August
All Saints’ Day, 1 November
Independence Day, 11 & 13 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)
The office will be closed on the following days in 2023:
Substitution for New Year's Eve and New Year's Day (Saturday 31st December 2022 and Sunday 1st January 2023), 2 January
Makha Bucha Day, 6 March
Chakri Memorial Day, 6 April
Songkran Festival, 13 April
Songkran Festival, 14 April
National Labour Day, 1 May
Coronation Day, 4 May
Substitution for Coronation Day, 5 May
Substitution for H.M. Queen Suthida Bajrasudhabimalalakshana’s Birthday and Wisakha Bucha Day (Saturday 3rd June 2023), 5 June
H.M. King Maha Vajiralongkorn Phra Vajiraklaochaoyuhua’s Birthday, 28 July
Asarnha Bucha Day, 1 August
Substitution for H.M. Queen Sirikit The Queen Mother’s Birthday / Mother’s Day (Saturday 12th August 2023), 14 August
H.M. King Bhumibol Adulyadej The Great Memorial Day, 13 October
Chulalongkorn Day, 23 October
H.M. King Bhumibol Adulyadej The Great’s Birthday/ National Day / Father’s Day, 5 December
Substitution for Constitution Day (Sunday 10th December 2023), 11 December
