English: There are two primary education service area offices (PESA) in Chanthaburi Province, namely Chanthaburi PESA 1 and Chanthaburi PESA 2, as illustrated, responsible for primary schools affiliated with the Office of Basic Education Commission of Thailand (OBEC).
Chanthaburi PESA 1 (blue) covers districts of Mueang Chanthaburi, Kaeng Hang Maeo, Na Yai Am, and Tha Mai.
Chanthaburi PESA 2 (yellow) covers districts of Khao Khitchakut, Khlung, Laem Sing, Makham, Pong Nam Ron, and Soi Dao.