Slip away to the Spanish capital this summer for $99 (€79) per night -- a savings of more than 45%.

This exclusive offer from the 4-star Gran Hotel Conde Duque includes daily buffet breakfast, late checkout until 2 p.m. and free Wi-Fi.

Visit the country's largest city in July through August for this deal. Or, for $111 (€89) per night, stay June 15-30.

This hotel is described as a "calm sanctuary in a bustling, cosmopolitan city" by travelintelligence.com. Originally built in the 19th century, the property boasts a traditional terra cotta facade.

The hotel is in the Chamberi district, half a kilometre north of the city center. The San Bernardo Metro station is roughly 200 meters from the hotel, which is also a 15-minute walk to Plaza de España, Madrid’s main square. The lively Gran Via is 20 minutes away.

Note: Prices will be quoted in euros. Rates are nonrefundable.