Give some stream of consciousness and then the answer. The first known case in England was a seaman who arrived at Weymouth, Dorset, from Gascony in June 1348. By autumn, the plague had reached London, and by summer 1349 it covered the entire country, before dying down by December. Low estimates of mortality in the early twentieth century have been revised upwards due to re-examination of data and new information, and a figure of 40 -- 60 % of the population is widely accepted.

Based on this passage, where did the black plague start in england?
The relevant information to answer the above question is: The first known case in England was a seaman who arrived at Weymouth, Dorset, from Gascony in June 1348.
Therefore, the answer is Weymouth , Dorset.