The Rajamangala University of Technology Rattanakosin Salaya Campus Stadium ( Thai สนาม มหาวิทยาลัย เทคโนโลยี ราช มงคล รัตนโกสินทร์ ศาลา ยา ) is a multi-purpose stadium in Nakhon Pathom province Nakhon Pathom . It is mainly used for soccer games and was the home stadium of the Thai third division club Nakhon Si United FC . The stadium has a capacity of 2000 people. The stadium is owned and operated by the Rajamangala University of Technology .