Engawa
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An engawa (縁側/掾側) or en (縁) is an edging strip of non-tatami-matted flooring in Japanese architecture, usually wood or bamboo. The en may run around the rooms, on the outside of the building, in which case they resemble a porch or sunroom.
A Meiji era engawa bearing a resemblance to a veranda, with people for scale. Note the slope of the ground under the engawa, and the traditional stone step.
Engawa, with sliding glass doors outside, and yukimi shōji (shōji with both paper and glass panes) inside. The solid wood amado leaning up against the corner is a storm shutter, and is usually stored away.
A temple in Kyoto with, from top to bottom, hiro-en, ochi-en, and nure'en. Note that part of the hiro-en is enclosed. Drainage provision is obvious.
Mawari-en, an en which continues all around the building
Veranda
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A veranda or verandah is a roofed, open-air hallway or porch, attached to the outside of a building. A veranda is often partly enclosed by a railing and frequently extends across the front and sides of the structure.
"Grande" style
Harlaxton House, Toowoomba, Queensland, 2014
Winifred Rawson tending her son on the veranda of The Hollow, near Mackay, Queensland, ~1873
A heritage listed building in Hungary