Complex sentence: Otherwise, in the northwest of Nafarroa from Sakana to Aezkoa there are specially deciduous forests.There are this type of trees in the east side of Araba, in the region called Mendialdea in Araialde in the north west, in Zuberoa and in Nafarroa Behera.
Split into simpler sentences: Otherwise, in the northwest of Nafarroa from Sakana to Aezkoa there are mainly deciduous forests. These types of trees exist in the east side of Araba, in the region called Mendialdea in Araialde in the northwest, in Zuberoa and in Nafarroa Behera.