Pijama yangu ya bluu iko juu ya kitanda.

Yes:

• pijama = pajamas / pajama set
• yangu = my
• ya bluu = blue
• iko = is located / is
• juu ya kitanda = on the bed or more literally on top of the bed

So the structure is:

[noun] + [possessive] + [color phrase] + [location verb] + [place]

Swahili often builds noun phrases this way, with the main noun first and the describing words after it.

Because in Swahili, possessives usually come after the noun they describe.

So:

• pijama yangu = my pajamas
• kitabu changu = my book
• rafiki yangu = my friend

This is very normal Swahili word order. English says my pajamas, but Swahili says the equivalent of pajamas my.

Here pijama behaves like an N-class noun (class 9/10). That matters because other words in the sentence have to agree with it.

That is why you get:

• yangu for my
• ya in ya bluu
• iko for is located

Swahili agreement is based on noun class, not just on meaning. Even though English speakers may focus on whether something is singular or plural, Swahili also cares about which noun class the word belongs to.

Because bluu is a borrowed color word, and in Swahili borrowed color terms often need a linker such as ya.

So ya bluu literally works like of blue or blue-colored.

With pijama, the natural phrase is:

• pijama ya bluu = blue pajamas

If you changed the noun class, the linker would also change:

• kitambaa cha bluu = blue cloth
• viatu vya bluu = blue shoes

So the ya is there because the color expression has to connect properly to the noun.

Iko is used for location. It means something like is located or is in a place.

So:

• Pijama yangu iko juu ya kitanda = My pajamas are on the bed

By contrast, ni is used for identity or classification:

• Hii ni pijama yangu = This is my pajamas / pajama set

So a simple rule is:

• use ni for X is Y
• use iko / ziko / yuko, etc. for X is somewhere

Because English and Swahili do not treat pajamas the same way grammatically.

In English, pajamas is normally plural.
In Swahili, pijama can be treated as a single item or set, so singular agreement like iko is possible and natural.

If you were talking about more than one set, you could use plural agreement:

• Pijama zangu za bluu ziko juu ya kitanda = My blue pajamas are on the bed / My blue pajama sets are on the bed, depending on context

So the important point is: do not assume English plural grammar will carry over directly into Swahili.

Juu ya kitanda literally means on top of the bed.

In many everyday contexts, that is just the natural way to say:

• on the bed

The phrase juu ya can mean:

• on
• on top of
• above / over

The exact meaning depends on context. In this sentence, the most natural reading is that the pajamas are physically resting on the bed.

The two ya forms are related, but they are doing different jobs.

1. ya bluu
   This links pijama to the color expression:
   pajamas of blue color

2. juu ya kitanda
   This links juu to kitanda:
   top of the bed

So both are connective -a forms, but they connect different parts of the sentence.

That means the repeated ya is not accidental. It is a normal Swahili grammar pattern.

Because Swahili does not have articles like English a and the.

So:

• kitanda can mean a bed or the bed

The context tells you which meaning is intended. In this sentence, English naturally uses the bed, but Swahili does not need a separate word for that.

No. Another common option is:

• kitandani

So you may also hear:

• Pijama yangu ya bluu iko kitandani

That can mean something like My blue pajamas are on the bed / in the bed / at the bed, depending on context.

By comparison:

• juu ya kitanda is more specific about being on top of the bed
• kitandani is a little broader and more location-based

So the original sentence is a good clear way to say that the pajamas are lying on the bed.