４丁目, 外神田 · Tokyo
3 Chome-14-4 Sotokanda, Chiyoda City, Tokyo 101-0021, Japan
Akihabara gyudon institution since 1979, serving generously sized beef bowls and sukiyaki-style beef plates, famously cited as the inspiration for the gyudon shop in Steins;Gate.
Haven't been here myself — came recommended from someone I trust.
About Beef Bowl specialty shop Sambo
Hearty, no-frills rice-bowl cafeteria steps from Akihabara Station's Electric Town exit, known for the Stamina Don — pork and green onions in garlic soy with a raw egg and miso soup — available in mega and giga portions.