1. The Church of St. Donatus in Zadar, Croatia is a remarkable example of a Pre-Romanesque church and one of the most famous landmarks in the city. Built in the 9th century, the church is named after St. Donatus of Zadar, the city’s patron saint. The circular shape of the church is unique and it is believed to have been inspired by the Roman Pantheon in Rome.

2. The Church of St. Donatus is open to visitors daily from 9:00am to 7:00pm. The church doesn’t have a phone number, but you can visit in person during the opening hours.

3. There is an entrance fee to visit the Church of St. Donatus. The ticket price is around 30 HRK (Croatian Kuna) for adults. You can easily reach the church by walking as it is located in the historic center of Zadar.

Overall, the Church of St. Donatus is a must-visit attraction in Zadar for its historical significance, unique architecture, and stunning location overlooking the Adriatic Sea.