1. The Holy Trinity Cathedral of Tbilisi, also known as Tsminda Sameba, is the main cathedral of the Georgian Orthodox Church and one of the largest religious buildings in the country. It was completed in 2004 and stands on a hill overlooking the city, with its golden dome and towering bell tower visible from many parts of Tbilisi.

Inside, the cathedral is decorated with intricate frescoes and iconography, while outside there are beautiful gardens and fountains. The cathedral complex also includes a smaller church, a monastery, and a theological academy.

2. The Holy Trinity Cathedral is open every day from 6am to 9pm. The phone number for information is +995 322 98 46 46.

3. There is no entrance fee to visit the cathedral and its grounds. To get there, you can take a taxi or use public transportation like buses or the metro. The nearest metro station is Avlabari.