If you and your travel companions are searching for accommodation in Kalocsa, it's helpful to know that Expedia's booking website of lodgings in Hungary doesn't currently have hotels in Kalocsa.
If you want to book accommodation in this part of Hungary, Szeged could be a good option. It is 60 miles from Kalocsa. Szeged accommodations include the Art Hotel Szeged and Dóm Hotel.
The Votive Church of Szeged is a commonly visited place of interest in this region. Stay the night in Szeged, which is 60 miles to the east of central Kalocsa. The Tisza Hotel and Szent János Hotel are among your choices.