Police are increasing patrols after a number of thefts from cars parked on residential streets in Buxton.
The thefts took place between Wednesday, April 17 and Thursday, April 18.
A Peugeot van was broken into on South Avenue, Buxton, between 4.30pm on Wednesday and 8am on Thursday. A window was smashed and cash taken from inside.
A sat nav was stolen from a Ford Transit van that had been parked on Oaklea, between 7pm on Wednesday and 8.30am on Thursday.
Between 10.30pm on Wednesday and 6.15am on Thursday, a Ford Fiesta was broken into on Hastings Road and a sat nav system stolen.
An iPod music player was taken from another car on Hastings Road, which was searched after offenders smashed a window between 5.30pm on Wednesday and 6.15am on Thursday.
Three vehicles were broken into on Berwick Road between midnight and 6am on Thursday. A Volkswagen Polo, Mitsubishi Colt and Nissan Almera all had windows smashed and were searched but nothing was taken.
Thieves also smashed the window of a Citroen Xsara parked on Ferneydale Avenue, between 12.30am and 5am on Thursday, and made off with a reversing camera.
Detectives are linking the above thefts and would like to hear from anyone who may have information relating to any of them.
Please call 101 or Crimestoppers, anonymously, on 0800 555 111.