Isyana Ballroom is a favourite venue for indoor wedding in town which can accomodate for up to 800 people at a stand-up reception.

Isyana room is a part of the ballroom, the Isyana Room is geared for mid-range functions of up to 400 people in theatrical style.

The Rajasa Room is in fact one third of the ballroom, which is set up accordingly to handle smaller functions of up to 200 people.

Airlangga is a convenient extension to the Isyana Ballroom and can be used to create extra space in times of need. Alternatively, this room by itself holds 200 people when set up with theatre style seating.

Located on the same floor as all the other function rooms, Gajah Mada has been purposely designed to seat up to 100 people in a theatre style set up

As the smallest meeting room at Hotel Bumi Surabaya, Wijaya is set up using theatre style seating to comfortably accommodate between 20 to 40 people.

Located separately from the other function rooms on the ground floor, Trowulan consists of three independent rooms with slight difference in total area and capacity. Purposely designed for small functions, Trowulan 1 and Trowulan 2 have total area of 60m2 and 70 m2, respectively, and can accommodate up to 50 persons, while Trowulan 3 has 90m2 total area which can ideally accommodate up to 80 persons when set up with theatre style seating.