The Hamburg, Dutch: Hollandse Hoen, German: Hamburger, is a breed of chicken which originated in Germany and Holland prior to 1700. The name may be spelt Hamburgh in the United Kingdom and in Australia.
The Hamburg is a small or medium-sized breed. Cocks weigh 2–2.5 kg and hens about 1.6–1.8 kg, with slender legs and a neat rose comb. Ring size is 16 mm for cocks and 15 mm for hens. Eleven different colour varieties are recognised in Germany and Holland, including Silver Spangled, Golden Spangled, Golden Pencilled, Citron Pencilled, Silver Pencilled, White, Black and Citron Spangled; six of these are included in the American standard of perfectio Pencilled breeds are smallest and self-coloured birds are largest. There are also Bantam Hamburgs.
Hamburgs mature quickly and are considered good egg producers. Eggs weigh about 50 g, with glossy, white shells.