Hull has more than 100 traveller caravans within the city boundaries. According to official government data, the last five counts revealed there were between 96 and 143 caravans in the city. However, only 16 did not have permission to be set up where they were.
The data is based on the last five counts carried out by local authorities. Within East Riding Council's boundaries, the counts revealed there were from 81 to 119 traveller caravans, up to 46 of which did not have permission to set up where they had.
The highest concentration is in South Cambridgeshire, where there are up to 522. Thirty councils in the country did not have any traveller caravans in their area during the last five counts. Doncaster had a large number, with the counts ranging from 440 to 506.
There are thought to be 21,142 traveller caravans in the country, up from 12,810 in 1993. Out of the current population, 22 per cent live on unauthorised sites, down from 34 per cent in 1993.