It can depend a bit on what species of mammal you are referring to, but in general, they are located on each side of the rib cage, towards the front. Some mammals have two, and some have more.
Mammary gland
Mammary gland
Mammary gland consist of glandular tissue and fatty tissue in them. Mammary glands are characteristic of mammals.
Mammary glands are the source of milk production in female (and some male) mammals
mammary alveolus
Mammals have mammary glands like whales
Do you mean, "Where is lymph from mammary glands collected?" Most of the lymph in a human mammary gland travels, ultimately, to the apical axillary lymph nodes.
The mammary gland is an exocrine gland. It has ducts through which milk is secreted.
mammary glands produce milk in a females body
A whale's mammary glands are located near the groin of the whale. Females use these glands to feed their young, much like other mammals.
Mammary gland
No they do not. Turtles are not mammals.