Katari is a Municipality in Udayapur District in the Koshi province of south-eastern Nepal.

This was established by merging two existing village development committees i.e. Triveni and Katari on 18 May 2014.

[1][2] At the time of the 1991 Nepal census it had a population of 7230 people living in 1410 individual households.

[3] Forty years later, Katari had undergone rapid growth, achieving a population of 59,507 people by the 2021 census.

This article about a location in the Udayapur District of Nepal is a stub.