Saint Gregory The Illuminator Cathedral, a prominent modern landmark in Yerevan, is easily accessible by walking, public transport, or taxi due to its central location. While it can be explored solo, a guided visit is highly recommended to fully appreciate its profound historical and religious significance as one of the largest Armenian Apostolic churches, consecrated for the 1700th anniversary of Armenia's conversion to Christianity. The cathedral is open year-round with no seasonal restrictions, though respectful quiet is expected during services, which might limit tourist access. Entry is free, with donations appreciated, and a typical visit lasts between 30 to 60 minutes. Visitors should wear respectful attire, covering shoulders and knees, and be mindful of photography during services; morning visits are often less crowded.