Stuttgart Heart t-shirts. If you love the wonderful German city of Stuttgart, you'll love this design! This scripted typographic design features the flag of the city in a heart. This design is available on a wide range of apparel, in unisex styles, and styles for men, women and kids. Here at Celticana we design ancestry, genealogy, country, state and city inspired t-shirts, hoodies and more. Wear the places you love!