Phra chunlachomklao fort is a fort built in the water 2427 in the reign of King God in the head. To prevent the invasion of England and France. District, located at Laem FA PHA Phra Samut chedi District, Samut Prakan Province, which is a terrain suitable, if the enemy warships invade into the inlet. This fortress built a bigger turret western And install a cannon Armstrong 155 mm were 7 cylinder as the main weapon of the citadel. Make this fort fortress of the most advanced at that time, Phra chunlachomklao Fort used as fire against French warship in the crisis RS 112 by rear admiral Andhra Pradesh as commander battle.