Wang Noi (Thai: วังน้อย, former name: Uthai Noi) is district (Amphoe) in Ayutthaya province, Thailand, located 50 km north of Bangkok. Wangnoi has been separated from Uthai, now the adjacent district. The population of Wangnoi were mostly farmer but now this area is an industrial area.
Administration
The district is subdivided into 10 communes (tambon).
Na Noi is a district (Amphoe) in Nan Province, northern Thailand.
Neighboring are from the north clockwise Wiang Sa, Laos, Ban Khok (Uttaradit Province), Na Muen and Rong Kwang (Phrae Province).
Also in the west of the district is the Si Nan National Park, protecting the forested mountains which separate the valleys of the Nan and the Yom rivers.