When planning a trip to Hung Yen, make sure to visit the ancient citadel of Pho Hien. This historical site is a hidden gem that offers a glimpse into the rich cultural heritage of the region. Wander through the narrow streets lined with traditional houses and immerse yourself in the charm of the old town. Don't miss the chance to visit the famous Hien Pagoda, which dates back to the 17th century and is a significant religious site for locals. Take a leisurely stroll along the Red River and enjoy the peaceful atmosphere. Pho Hien is a must-visit destination for history buffs and those seeking an authentic local experience.