I would capitalize it, and use it as part of a name. There are many examples as city-names in California, such as Santa Ana, Santa Cruz, and Santa Inez.
I am visiting relatives in Santa Inez next week.
ask santa Claus
Santa has elves.
Example sentence - He told Santa he wanted a ferret for his gift.
Santa's helpers are elves.
Santa held his stomache as he laughed jovially.
The Santa Fe Trail opened in 1821. Would you like to travel the Santa Fe Trail, like settlers did in the early 1800s?
There were many reindeer in the forest. The reindeer pulled Santa's sleigh.
I wish I could live at the North Pole with Santa Claus.
Santa's expression was stern when he found out that the Grinch had stolen Christmas in Who-ville.
In winter, Santa Claus uses his reindeer to pull his sleigh and deliver presents to children around the world.
I am checking the list so that Santa doesn't have to. I use 'tick marks' for checking off items on my shopping list.
Santa must be very slippery in order to get down some of those narrow chimneys.