The location of Caesars Palace Hotel is very good, right next to Bellagio, the most lively place in Las Vegas, very close to the musical fountain. The shopping street on the ground floor of the hotel is also worth visiting.
Caesars definitely isn't as romantic as Venetian. I prefer Venetian over Paris. Also, crowds. Because you are going during the summer, not as many people will be out doors, they will be looking for shelter from the heat. Venetian or Paris are def less crowded. I haven't stayed in Caesars though, so I can't tell you about the rooms.
If you are going for the anniversary, I recommend Venetian or Paris, both have romantic rooms also it is not that crowded as Caesars. For gambling also are good
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