Is it dinner or tea, what do you call a bread roll and where truly is the home of British music?
These are some of the hotly contested disagreements that divide the nation - marking Northerners out against Southerners and vice versa.
But now an interactive map - based on responses from 5,000 adults across the country - seems set to spark an altogether different row over who is having more fun in the bedroom on average.
Perhaps surprisingly, the fun-loving Northern destinations like Liverpool, Leeds and Newcastle fail to make the top ten areas having the most sex per week.