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 a 13-minute walk to Luisenpark, the hotel is 45 mi from Frankfurt Airport. Nearby attractions include the National Theater Mannheim and Heidelberg University. Guest Services Guests benefit from a 24-hour front desk, daily housekeeping, bicycle parking, and paid on-site private parking. The property staff support guests with their needs.