Boulter defeated Emma Raducanu and Karolina Pliskova defended her Nottingham championship last year.
This year, Kartal joined her, which quickly rose after winning her first WTA Tour title last September.
Teenager Hannah Klugman is one of the most rated British juniors who was awarded the main drawn wildcards and will start with the fourth seed Yulia Putintseva.
British Harriet Dart and Francesca Jones will play against each other in the first round, while wildcard Mingge Xu will face Katie Volynets.
Two-time Wimbledon champion Petra Kvitova will also appear as she continues to return from maternity leave and her protected rankings enter the draw.
Brazil’s Beatriz Haddad Maia won the event in 2022, which also included 2012 U.S. Open runner-up Leylah Fernandez and the Suns in the Wimbledon quarterfinals last year.
