There are many hotels around Akasaka Area.

You can also find some B&B with Airbnb.

<Hotels near Akasaka Station>

https://ca.hotels.com/search.do?resolved-location=NEIGHBORHOOD%3A1645687%3AUNKNOWN%3AUNKNOWN&destination-id=1645687&q-destination=Akasaka,%20Tokyo,%20Japan&q-check-in=2019-06-14&q-check-out=2019-06-16&q-rooms=1&q-room-0-adults=1&q-room-0-children=0