People in Aller speak Castellano Spanish and Asturiano. It is much more common to hear Asturiano in conversations or see Asturiano words on public signs in Aller than in Oviedo. In the photos, you can see that the names of the cities are in both Castellano and Asturiano.
People in Aller use the euro.
A bottle of water costs the same amount as it would in Oviedo: usually less than one euro.
One of my school placements has a restaurant where students can practice the skills needed to be chefs, waiters or bartenders. Often, I have coffee or a snack there during the recess break. This week, I tried their version of the Spanish Omelette. This is a very traditional Spanish food made with eggs, potatoes, and onion, but the student chefs made it this week with sausage. It was delicious!
I listened to lots of Disney music this week! One of the activities I have been doing with my students is a listening activity where they have the lyrics to a song with missing words in front of them. I play the song for them and they have to fill in the blanks as they listen.