Samosorn Sevakamart is at the north end of the palace. Its name foretells the function of the building. Samosorn means 'assembly', and sevakamart means 'royal officials'. King Vajiravudh used it as a meeting hall with his officials, guest reception room, ritual room, theatre, including a badminton court.

This open, high-ceilinged hall is rectangular. The ceiling of is decorated with painted coffers and large chandeliers. As this hall frequently served as a theatre, there are dressing rooms at each