What are the elements for the numbers 39 65 68 and 70 that were named for the same city Ytterby Sweden?

The elements named for the city of Ytterby, Sweden, are Yttrium (39), Terbium (65), Erbium (68), and Ytterbium (70). These elements were discovered in the late 18th and early 19th centuries from a mineral found near Ytterby. The city is notable for its historical significance in the field of rare earth elements.