Machar's Cathedral, officially known as the Cathedral Church of St Machar, is a Church of Scotland located in Aberdeen, United Kingdom. Situated in the historic Old Aberdeen, it is a prominent example of a fortified kirk, with its massive twin-spire facade characteristic of the Presbyterian ecclesiastical architecture. The cathedral's history dates back to the 12th century, although most of the present building originates from the 15th century. The interior of the cathedral is renowned for its striking heraldic ceiling, featuring coats of arms. The church is dedicated to St. Machar, who was a follower of St. Columba and is said to have established a site of worship there in the 6th century. Over the centuries, it has been a witness to and participant in the tumultuous history of Scotland, including the Reformation. Today, it continues to serve as a place of worship and a significant heritage landmark, attracting visitors for its historical significance, architectural beauty, and serene atmosphere, making it a treasure of Aberdeen's cultural and spiritual life.