Prime Location ONYX Apartment in Budapest offers a central position with St. Stephen's Basilica less than 0.6 mi away, the House of Terror 1.1 mi, and the Hungarian National Museum a 7-minute walk. Budapest Ferenc Liszt International Airport is 8.7 mi from the property. Comfortable Amenities Guests enjoy free WiFi, air-conditioning, streaming services, and garden views. The apartment features a elevator, dining area, work desk, and parquet floors. Additional amenities include a refrigerator, microwave, TV, and private entrance. Nearby Attractions Explore Buda Castle 2 mi away, Heroes' Square 2.1 mi, and Fisherman's Bastion 2.5 mi from the property. Boating and scuba diving are available in the surroundings. Guest Satisfaction Highly rated for its convenient location, suitability for city trips, and quietness of the room.