a hot spot
1. A popular location for entertainment or social activity. The trendy new restaurant became the city's latest hot spot.
2. A place where a particular thing occurs frequently. City Hall has become a hot spot for protests lately—it seems like there's one every week.
3. A place known to be dangerous due to violence or crime. The government issued an alert to Americans traveling abroad, warning them about hot spots for terrorism.
a ˈhot spot(informal)
1 a place where fighting is common, especially for political reasons: As a journalist, I get sent to one hot spot after another.
2 a place where there is a lot of activity or entertainment: We went clubbing in some of Ibiza’s most famous hot spots.