Comfortable Accommodations Sisli Apartments Holiday231 in Istanbul offers a three-bedroom apartment with two bathrooms and a spacious living room. The property features a fully equipped kitchen, air-conditioning, washing machine, and a private entrance. Modern Amenities Guests enjoy free WiFi, a elevator, and a garden. Additional amenities include a work desk, microwave, dishwasher, TV, and a hairdryer. The apartment is pet-friendly.