Comfortable Accommodations Holiday Inn - the niu, Square Mannheim by IHG in Mannheim offers air-conditioned rooms with private bathrooms, free WiFi, and modern amenities. Each room includes a TV, soundproofing, and a seating area. Dining and Leisure The hotel features a modern restaurant serving European cuisine with vegetarian options for lunch and dinner. A bar provides a relaxing atmosphere for guests. Convenient Location Located 1.2 mi from Mannheim Central Station and 45 mi from Frankfurt Airport, the hotel is near attractions such as Luisenpark (13-minute walk) and Kunsthalle Mannheim (0.9 mi). Guests appreciate the breakfast provided by the property and the attentive staff.