Most guest houses can rarely accommodate 30 persons altogether, but Happy Guest House has all it takes to do it. The house is big enough to fit 5 rooms, 5 hot-shower bathrooms, a vast back garden, and also provides free WiFi.
YogYes.com is a travel portal to Yogyakarta with more than 100 places to stay, rent a car, and buy a tour. We have all their phone numbers. You can rent a house or car via WhatsApp, and easily negotiate with the owners.