- Lannion is a city located in the Côtes-d'Armor department in the region of Brittany, France. It is situated on the north coast of Brittany, near the English Channel. Lannion is known for its rich historical heritage, with remnants of ancient fortifications and medieval buildings still visible in the city. The Léguer River passes through Lannion, adding to its scenic beauty. The city is also recognized for its technological and industrial prowess, particularly in the field of telecommunications. Lannion is home to several high-tech companies and research centers, making it a hub for innovation in Brittany. The city offers a range of cultural and recreational activities, including museums, theaters, music festivals, and outdoor pursuits like hiking and cycling. With its picturesque setting and dynamic economy, Lannion attracts both tourists and professionals alike.