| Nonthaburi | |
| Official Name: | City of Nonthaburi เทศบาลนครนนทบุรี |
| Native Name: | นนทบุรี |
| Native Name Lang: | th |
| Settlement Type: | City Municipality |
| Pushpin Map: | Bangkok Metropolitan Region#Thailand |
| Pushpin Map Caption: | Location in the Bangkok Metropolitan Region##Location in Thailand |
| Pushpin Label Position: | top |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Nonthaburi |
| Subdivision Type2: | District |
| Subdivision Name2: | Mueang Nonthaburi |
| Established Title: | Incorporated (town) |
| Established Date: | 14 February 1936 |
| Established Title2: | Incorporated (city) |
| Established Date2: | 24 September 1995 |
| Government Type: | City Municipality |
| Leader Title: | Mayor |
| Leader Name: | Mr. Somnuk Thanadechakul |
| Unit Pref: | Metric |
| Area Rank: | 12th |
| Area Total Km2: | 38.90 |
| Population Footnotes: | [1] |
| Population Total: | 254,375 (registered residents) |
| Population As Of: | 2019 |
| Population Rank: | 1st (excl. Bangkok) |
| Population Density Km2: | 6,539 |
| Timezone1: | ICT |
| Utc Offset1: | +07:00 |
| Postal Code Type: | Postal code |
| Postal Code: | 11000 |
| Area Code Type: | Calling code |
| Area Code: | 02 |
Nonthaburi (Thai: นนทบุรี, in Thai pronounced as /nōn.tʰá(ʔ).bū.rīː/) is the principal city of the district and province of the same name in Thailand.
On 15 February 1936, Nonthaburi town municipality (thesaban mueang) was established, which only covered Suan Yai subdistrict (tambon), just .[2] On 25 September 1995, Nonthaburi was upgraded to city municipality (thesaban nakhon) by enlargement of the city with four more subdistricts, Talat Khwan, Bang Khen, Bang Kraso and Tha Sai, covering a total of .[3] As of 31 December 2019, it has a registered population of 254,375,[1] making it the most populous city municipality in Thailand (excluding Bangkok). There are 93 communities (chumchon), although not directly chosen by the local citizens, which provides advice and recommendations to local administrative organizations. Due to its proximity to Bangkok, the city is considered a suburb of Bangkok, a part of the Bangkok Metropolitan Region, or Greater Bangkok.
Nonthaburi is served by public transport systems including the Bangkok Mass Transit Authority bus system, the Chao Phraya Express Boat, and the MRT Purple Line, inaugurated in 2016.
Nonthaburi is known for its temple and market such as Wat Chaloem Phra Kiat, Wat Chomphuwek, Wat Chotikaram, Wat Khema Phirataram, Wat Prasat, Wat Sangkhathan and so on.