Spain

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8. I'm not sure about one city for this period

but even with day trips to the surrounding areas you could stay in one hotel without being confined to one city.
As for one location, Barcelona was a very nice, vibrant city when I was there.

Also, be careful when people approach you out of the blue even if they pretend not to sell anything or if they want to do give you something like a rose. That's what happened to our family. Old woman giving us a rose and pretended she only wanted a small coin. Instead, she quickly reached into the wallet for the bills and got only caught because so much else was in the wallet.