Tomohon is a landlocked city located in the province of North Sulawesi, Indonesia. It covers a total area of 147.21 km² and serves as an independent administrative entity that was officially inaugurated on August 4, 2003.
The city was formerly part of the Minahasa Regency before its separation. According to census data, the population grew from 91,553 in 2010 to 100,587 in 2020, with a mid-2025 estimate reaching approximately 104,260 residents.