The best area to stay in Unión Agua Blanca is generally within the main village, as it offers the most convenient access to local amenities and the thermal springs.
The village itself is quite compact and easily explored on foot. Most accommodations are clustered around the central plaza and along the main road leading to the thermal baths. You'll find local eateries and small shops here, giving you a good sense of daily life. The thermal springs, the main draw for visitors, are typically a short walk or a quick local taxi ride from anywhere in the village.
For solo travellers, staying within the main village is ideal. It provides easy access to the thermal springs for relaxation and rejuvenation, and you're close to where most of the local activity happens. You won't need to worry about long commutes to find a meal or access the main attractions.
Couples looking for a relaxing retreat will also appreciate the convenience of staying in the village. They can easily enjoy the thermal baths together and then find a quiet spot for a meal.