Pin Klao was named after the last deputy king in Thai history. When a bridge was built across the Chao Phraya River near the place in 1973, it was named Pin Klao in memory of the late deputy king. Nowadays, this area is one of the most newly developed areas in Bangkok with department stores, many restaurants, nightlife establishments and modern apartments and condominiums. It is easily accessible through the Pin Klao bridge and ferry boats crossing the Chao Phraya River.