I’ve stayed at the Kings Inn in Anaheim several times. Walking distance to the park
I tend to Uber around the local area, plenty of places to eat along that road and several good places just off the main drag. The little Mexican fast food place on the crossroads by CVS is out of this world (can’t recall what it’s called off the top of my head) We’d often grab a takeout from there as it was almost next door to our motel.
Take an Uber down to The Block at Orange. Lovely outdoor mall, fair few shops there and food as well. Also worth a trip down to Huntington Beach, walk the pier and head for Rubys Diner at the end. There are a few excursion companies there that are worth checking out, one of which will take you all round Hollywood and to Warner Studios which is a working studio tour and for me better than the Universal Tour as it’s much more personal. Another tour does all the beaches which again is worth it to see Laguna and the likes of Venice. look up The Anaheim Tour Company for those.
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Oooh and depending when you go if you can catch a game at The Angels stadium you’re treated like royalty when they realise you’re British
we ended up getting shown around by the stadium manager and store discounts as well. It was a fabulous, if not baffling evening.